Modeling of industrial separation processes for solid...

Michaela Lindemann, M. Sc.Modelling of industrial separation processes

CYPRUS 2016

Limassol, 23.06.2016

Modeling of industrial separation processes for solid waste treatment

Michaela Lindemann, M. Sc.


Waste treatment

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windsifter

metalseparator

conditioning

generatingrecyclables

recyclability = f(conditioning)Input

screencommi-nution

waste recyclableswastetreatment

residue

?


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growth of MRF and MBT until 2020

clip

arts

.co

600,000 tons/day

ƞ if … then … € =?

Why modelling - Application possibilities


*ProductRevenue

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Investment Investment Costs

OperationalCosts

Gate Fees

*DisposalCosts

Economic evaluation


• develop models of waste separation processes

• connect models to simulate process chains• gain mass balances and product qualities

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windsifter

screen metalseparator

Objectives


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d

• size

• material

• volume

• density³

Known characteristics of material


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sota:bulk-information: ferrous/ 20…40 mmshape of a ferrous particle?

Waste: Particle characteristics


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process resultfunction of:

• density• size• shape

Wind sifter: Functioning principle


Why constant process optimisation?

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§


• models of mechanical treatment processes• mass flow model enables economic

evaluation• conclusions drawn from single-particle

information• use of non-spherical particles

→ facilitate a shift from experience toscientifically based process design

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Summary


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The End

d


scenario: unit settings set for lowest effortaim: ensure minimum quality of products

incident: change of input composition

result: decrease in process efficiency no access to markets!

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Application example

Modeling of industrial separation processes for solid...

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